Question

In a library, there are 4200 books of Hindi and Maths if the ratio of Hindi books to Math books is 11:10 find the number of Hindi and Math books?

Answer 1

Answer:

Solution

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No. of science books =450

No. of hindi books =300

Ratio of science books to hindi books =450:300

=330450=3:2

Let no. of Mathematics books =x

Ratio of Maths to Science books =x:450=3:2

=450x=23 [Cross multiply]

=2x=3×450

∴x=23×450

x=675

∴ No. of Maths books =x=675.

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Answer 2

Answer:

hindi books= 2200

maths book=2000

Step-by-step explanation:

let the book be x

4200=21x

x =4200÷21

=200

maths book =200×10

hindi book =200×11

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